Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873042 | Process for extruding a thermoplastic copolymer | — | 1989-10-10 |
| 4867923 | Process of producing foamed products | Austin E. Barnabeo | 1989-09-19 |
| 4812505 | Tree resistant compositions | — | 1989-03-14 |
| 4798864 | Elastomer polyolefin blends | — | 1989-01-17 |